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Calculate the mass in grams for a sample of aluminum that absorbs 1.85 when its temperature rises from 65 to 178.
how many grams of carbon dioxide would be produced if 45 grams of C6H12O6 completely reacted with oxygen?
how many grams of Na2CO3 (FM 105.99) should be mixed with 5.00 g of NaHCO3 (FM 84.01) to produce 100ml of buffer with pH 10.00.
An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500. mL sample of air at 700. torr and 38°C, she adds 20.00 mL of 0.01017 M aqueous iodine, which reacts as follows:
Given the following balanced reaction, if a mixture of 1.50 mol of Al and 3.00 mol of Cl2 are allowed to react, how many moles of AlCl3 are formed, assuming a 75% yield?
What is the equilibrium concentration of Cl at 1000 ? What is the equilibrium concentration of COCl2 at 1000 ?
What is the order of the reaction if it takes 10 minutes, 20 minutes, 30 minutes to reach 75% conversion?
Consider the following cell: Pt|H2(g, 0.670 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.15 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..
How long will it take to deposit 89 g of magnesium from an electrolysis cell containing MgO at a current of 12.5. A magnesium formation is the only cathode reaction mg = 24glmol.
Determine ΔHreaction° for: 4H2O (l) + 2 NH3 (g) → 2NO2 (g) + 7H2 (g) using the following two equations: (1) N2 (g) + 3H2 (g) → 2 NH3 (g) ΔH1° = -184 kJ (2) 4NO2 (g) + 8H2 (g) → 2 N2 (g) + 8 H2O (l) ΔH2° = -196 kJ
Calculate the pressure exerted in the closed end of an apparatus similar to that depicted in Figure 1 if the atmospheric pressure is 720.0 torr and the height of the water column is 22.3cm.
what will be the volume of the blimp at a height of 2300 m, where the temperature is 12°C?
If a 200 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.5 by 1.0 ft , what is the average thickness of the sheet in meters?
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